253fmm Service Manual [better] Jun 2026

Sites like Motorrecambio list specific spare parts including gaskets, pistons, and valves for this engine model. ML250-4-Parts-Catalogue.pdf - Universal Hardware

The is the ultimate technical blueprint for maintaining, troubleshooting, and rebuilding one of the most reliable twin-cylinder small-displacement engines in the powersports market . Known widely as a faithful derivative of the classic Honda CBT250/CM250 architecture , the 253FMM is an air-cooled, 233cc, inline-twin, 4-stroke engine. It powers an extensive array of machines worldwide, including cruisers (like the Lifan LF250-4 ), choppers, entry-level dual-sports, and utility ATVs.

Arrow marks on the piston crowns must point toward the . 253fmm service manual

Ищу сервисную книжку для двигателя 253 fmm. : r/motorcycles

Originally cloned from the legendary Honda Rebel 250 (CA250/CMX250) powerplant, this engine is the mechanical backbone for dozens of Chinese motorcycles, ATVs, and choppers manufactured by brands like Lifan, Loncin, Zongshen, Johnny Pag, Tank, and Kymco. Sites like Motorrecambio list specific spare parts including

| Specification | Typical Value | Source | |:---|:---|:---| | | Parallel twin, 4-stroke, OHC | Alfamoto | | Cooling | Air-cooled | Loncin | | Displacement | 233.7 cc | Loncin, CCCME | | Bore x Stroke | 53 mm x 53 mm | Loncin, CCCME | | Compression Ratio | 9.2 : 1 | CCCME | | Max Power | 12-14 kW @ 8000-8500 rpm | Loncin, CCCME | | Max Torque | 14.5-15.8 Nm @ 5500-7000 rpm | Loncin, CCCME | | Ignition System | CDI | Loncin, CCCME | | Lubrication | Pressure and splash | Loncin | | Starting System | Electric / Kick | Loncin, CCCME | | Idle Speed | 1500 ± 150 r/min | Loncin | | Spark Plug | A7RIC / A6RIC | CCCME | | Engine Oil | SAE 10W-40 (SE/SG) or 20W-50 in hot weather | CCCME |

Typically set to 0.002 - 0.003 in (0.05 - 0.08 mm) for both intake and exhaust on this specific twin-engine design. Oil Capacity: Approximately 1.5 to 1.6 liters . Oil Type: 10W-40 or 10W-30 (Pro Honda GN4 equivalent). It powers an extensive array of machines worldwide,

Use a 10W-40 or 15W-50 4-stroke motorcycle oil. Ensure it is to ensure proper clutch function, as the clutch is oil-bathed. Is the 253FMM the same as a Virago 250?

The 253FMM relies on its oil not only for lubrication but also as a primary cooling agent. 1.4 Liters (1.48 US quarts)

Reinstall the strainer, replace the right cover gasket, and torque the drain plug to .

Approximately 1.9 Liters. Spark Plug Specifications